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Zygote behaves as meiocyte in

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Important Questions on Plant Kingdom

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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Life cycle of Ectocarpus and Fucus respectively are:
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants

Based on the following characteristics of life cycles identify and arrange the plants respectively.

A) Haplontic i) Laminaria
B) Diplo-haplontic ii) Volvox
C) Haplo-diplontic iii) Polysiphonia
D) Diplobiontic iv) Salvinia
E) Diplontic v) Fucus
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Which of the following does not show diplontic life cycle?
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Zygotic meiosis is characterstic of
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Explain the term Diplontic briefly with suitable examples.
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
With the help of a schematic diagram describe the haplo-diplontic life cycle pattern of a plant group.
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Give an example of plants with haplontic life cycle.
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants

Give an example of plants with

b. Diplontic life cycle

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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Spirogyra has a
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants

Which of these have diplontic life cycle?

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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Zygote of an organism developed after syngamy undergoes meiosis to form haploid spores, which divide mitotically and form the gametophyte. The organism must have  ___________________________________life cycle.
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants

Most algal genera show haplontic life style. Name an alga which is

b. Diplontic

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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Life cycle of Ectocarpus and Fucus, respectively are
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants

Draw labelled diagrams of

c. Alternation of generation in Angiosperm.

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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Assertion: Spirogyra shows haplontic life cycle.
Reason: Zygotic meiosis occurs in Spirogyra.
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants

Observe the following diagram. Correct it and write the information in your words.

Question Image

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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Which of the following have haploid plant body in most of organisms?
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants

Draw a neat labelled diagram of haplontic and haplodiplontic life cycle.

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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Spirogyra is a sexually reproducing alga in which vegetative thallus is haploid. In Spirogyra, meiosis:
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Biology>Diversity in the Living World>Plant Kingdom>Life Cycles in Plants
Cotyledons are also called-